MANSART, François
(b. 1598, Paris, d. 1666, Paris)

Interior view

begun 1645
Photo
Val-de-Grâce, Paris

Despite modifications made by successive architects, the overall design remains faithful to Mansart's original plan. The dome is adorned with oculi at its base, and sits on a high drum ringed by pilasters with emphatic entablatures.

The photo shows the inner drum of the dome.